From: Brian McGahan (brian@cyscoexpert.com)
Date: Thu Sep 26 2002 - 13:10:36 GMT-3
Antoine,
There are actually two steps in turning off frame-relay
inverse-arp.
No frame-relay inverse-arp <--- do not request inarp of other end of
cloud
No arp frame-relay <--- do not respond to any inarp request
Remember to turn it off on both your main interface and multipoint
sub-interfaces.
HTH
Brian McGahan, CCIE #8593
Director of Design and Implementation
brian@cyscoexpert.com
CyscoExpert Corporation
Internetwork Consulting & Training
http://www.cyscoexpert.com
Voice: 847.674.3392
Fax: 847.674.2625
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Deleporte Antoine
> Sent: Thursday, September 26, 2002 7:08 AM
> To: 'ccielab@groupstudy.com'
> Subject: FrameRelay InARP
>
> Hi all,
>
> just a question about FrameRelay InARP :
>
>
> R1--------(FrameRelay)--------R2
>
> R1 : (on R1, inARP is enabled by default...)
> interface Serial1
> ip address 144.21.1.17 255.255.255.248
> no ip directed-broadcast
> encapsulation frame-relay
> no logging event subif-link-status
> no logging event dlci-status-change
> !
>
> R2 : (InARP is disabled)
> interface Serial0
> ip address 144.21.1.19 255.255.255.248
> encapsulation frame-relay
> no fair-queue
> no arp frame-relay
> no frame-relay inverse-arp
> !
>
> So, R2 doesn't send any InARP request, as configured.
> But, R1 send InARP request, and R2 reply to this request, mapping R1
ip
> address on a dlci...
>
> Could someone explain me why does R2 reply to inARP request ?!
> How can I force R2 not to map any dlci, keeping default inARP settings
on
> R1
> ???
>
> Here are debugs :
>
> r2#sh frame-relay map
>
> r2#
> r2#
> *Mar 1 01:39:32: Serial0(i): dlci 35(0x831), pkt encaps 0x0300 0x8000
> 0x0000 0x806 (ARP), datagramsize 30
> *Mar 1 01:39:32: Serial0: frame relay INARP received
> *Mar 1 01:39:32: FR: Sending INARP Reply on interface Serial0 dlci 35
for
> link 7(IP)
> r2#
> r2#
> r2#
> r2#sh frame-relay map
> Serial0 (up): ip 138.21.1.17 dlci 35(0x23,0x830), dynamic,
> broadcast,, status defined, active
> r2#
>
>
> IOS versions are 12.1(2), and routers are rebooted...
> Can someone help ?
>
> Antoine
This archive was generated by hypermail 2.1.4 : Mon Oct 07 2002 - 07:44:04 GMT-3